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.Dd $Mdocdate: April 24 2014 $
.Dt RUP 1
.Os
.Sh NAME
.Nm rup
.Nd remote status display
.Sh SYNOPSIS
.Nm rup
.Op Fl dhlt
.Op Ar host ...
.Sh DESCRIPTION
.Nm
displays a summary of the current system status of a particular
.Ar host
or all hosts on the local network.
The output shows the current time of day, how long the system has
been up,
and the load averages.
The load average numbers give the number of jobs in the run queue
averaged over 1, 5, and 15 minutes.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl d
For each host, report what its local time is.
This is useful for checking time synchronization on a network.
.It Fl h
Sort the display alphabetically by host name.
.It Fl l
Sort the display by load average.
.It Fl t
Sort the display by up time.
.El
.Pp
The
.Xr rpc.rstatd 8
daemon must be running on the remote host for this command to
work.
.Nm
uses an RPC protocol defined in
.Pa /usr/include/rpcsvc/rstat.x .
.Sh EXAMPLES
.Bd -literal -offset indent
$ rup otherhost
otherhost      up 6 days, 16:45,  load average: 0.20, 0.23, 0.18
.Ed
.Sh DIAGNOSTICS
.Bl -diag
.It rup: RPC: Program not registered
The
.Xr rpc.rstatd 8
daemon has not been started on the remote host.
.It rup: RPC: Timed out
A communication error occurred.
Either the network is excessively congested, or the
.Xr rpc.rstatd 8
daemon has terminated on the remote host.
.It rup: RPC: Port mapper failure - RPC: Timed out
The remote host is not running the portmapper (see
.Xr portmap 8 ) ,
and cannot accommodate any RPC-based services.
The host may be down.
.El
.Sh SEE ALSO
.Xr portmap 8 ,
.Xr rpc.rstatd 8
.Sh HISTORY
The
.Nm
command
appeared in SunOS.
